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Pronunciation: pe-ris'to-le

Definition: The tonic activity of the walls of the stomach whereby the organ contracts about its contents; contrasting with the peristaltic waves passing from the cardia toward the pylorus (peristalsis).

[peri- + G. stello, to contract]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.